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30843344 = 247239341
BaseRepresentation
bin111010110101…
…0000111010000
32011001000010002
41311222013100
530343441334
63021025132
7523110200
oct165520720
964030102
1030843344
1116457074
12a3b51a8
13650bacc
14414c400
152a93b7e
hex1d6a1d0

30843344 has 30 divisors (see below), whose sum is σ = 69517314. Its totient is φ = 13218240.

The previous prime is 30843343. The next prime is 30843361. The reversal of 30843344 is 44334803.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18593344 + 12250000 = 4312^2 + 3500^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30843343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18887 + ... + 20454.

Almost surely, 230843344 is an apocalyptic number.

It is an amenable number.

30843344 is an abundant number, since it is smaller than the sum of its proper divisors (38673970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30843344 is a wasteful number, since it uses less digits than its factorization.

30843344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39363 (or 39350 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 30843344 is about 5553.6784206506. The cubic root of 30843344 is about 313.6080142510.

The spelling of 30843344 in words is "thirty million, eight hundred forty-three thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 39341 78682 157364 275387 314728 550774 629456 1101548 1927709 2203096 3855418 4406192 7710836 15421672 30843344